Analyse de l'application Thunderstorm Range pour le 7 décembre

Determine the distance of a thunderstorm. When a lightning flashes then press "Start" and "Stop" when you hear the thunder. Due to the sonic speed and time measuring the distance will be calculated. More features: - Animation at flash (Start) - Thundersound at Stop - Calculation of distance of the thunderstorm System: - iPhone, iPod Touch, iPad - OS 8.x or higher